karl and b



A. LKARL AND B. F. WEBB.

TRANSMISSION.

APPLICATION FILED 155.21. I92o.

1,400,500. PaIenIea Dec. 13, 1921.

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A. 1. KARL ANB B. F. WEBB.

TRANSMISSION.

APPLICATION FiLED FEB. 2l, 1920.

1,400,500', Patented Dec. 1B, 1921.

2 SHEETS-SHEET 2.

Anc/few d. /ff/ el/yam/h E Webb atroz mug UNITED sTATss PATENT orrlcn VALTDIREH J. KARL AND-BENJAMIN IF. WEBB, OF SISTERSVILLE, W'ST VIRGSCNA.

Licence.

Specification of Lettws Patented Bec. if?, MWL

lvateiit.

To all wir-0m t may concern.'

Be it known that we, ANDREW J', KARL and BENJAMIN F. Vnn, citizens of the United States, residing at Sistersville, in the county ot' Tyler and State of West Virginia, have invented new and useful lirnpiovenients in Transmissions, ol which the following is a specification.

'.lhis invention relates to transmission means or' the planetary variable speed type lior driving one shalt from power driven shaft and the principal object of the invention is to provide automatic means i'or gradually causing` the caringl to pick up a load on the driven shalt.

Another object of the invention is to inalre the gearing of tapered formation with means -for shitting a portion of the lgearing to set up awedge action to prevent slipping` ci" the gearing.

A further object of the invention is to prevent backward movement the gear rier under the resistance offered by the load.

rlhis invention also consists in certain other features of construction and .in the combination and arrangement of the several parts7 to be hereinafter lully described, illustrated in the accoinpanying,- drawings and specifically pointed ont in the appended claims.

In describing our invention in detail, reference will be had to the eccomiA inyng drawings wherein like characters denote lilre or corresponding` parts throughout the several views and in which Figure l is a longitudinal section ot the invention.

Fig. 2 is a section on line 2-2 ot Fig. l. Fig. 3 is a section on line 8-3 of Fig. l.

Fig. 4l is a section on line l-l of l.

Fig. 5 is a section on line 5-5 of Fig. l.

Fig. 6 is a view of the supportingplate for the enlarged ends of the rollers.

Fig. 7 is a view of one of the rollers.

Fior. 8 is a view of the internal roller.

In these views l indicates the drive shalt and 2 the driven shalt, these shafts being in alinement with their ends abutting. The gearing is inclosed by a frame which consists of the plates 3, which are connected together by the rods 4 and held in spaced relation by the sleeves 5 on said rods` The shafts pass through tubular extensions 6 on said plates.

The driven shaft 2 carries a truste-conical casing'7 which consists of the end plates 8 and 9 and the cone l0, the end plate 8 being splined to the shalt. The plate 9 is pr vided with a screw threaded boss ll to receive the screw threaded bushing l2 through which the drive shalt passes, Y the bushing in adje A roller cage is located saidcage consisting,v ot the plz rotatably carried by the dri on in the boss.

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the plate l5 having' the hub lo through which the drive shalt 'passes and which p through the bushing l2, r his ca the truste-conical rollers l which o stab Y A is splined to the drive shalt l 'i the cage and solid rollers 23 are arranged in the annular space between said sleeves and the rollers l?. Ball bearings 23 are arranged between the inner end ol the bushing l2 and A face ot the plate l5 so that by adju. on' the id bushing' the pressure between the 'rollers l" the casinginay be controlled.

Rollers 24tare placed in cani reces, termed in one of the plates 3 and sai l enejage with the hub lt. arranged that backward i o riage is prevented as i'lf start to in a r rollers would inove into t recesses and thus leclr the ea a."Y ment. The outer end of the hub 1G is p o vided with clutch teeth 2G and clutch part 27 is carried by the drive shi l and is ada ted to be shifted bv an 1 suitable means r nut holds n of course, that the friction between rollers i7 and casing 7 is greater than the load. When this occurs the clutch 27y may be shifted to engage the clutch part 26 so as to connect the cage -vvith the drive shaft.

if there should be any slipping between the rollers and the outer case. this can be taken up by tightening the bushing 12.

lt is thought from the foregoing descrip,- tion that the advantages and novel features `of our invention will be readily apparent.

We desire it to be understood that We may make changes in the construction and in the combination and arrangemeI-ity of the, several parts, providedy that such changesfal-l Within the scope of the appended claims;

'l/lVhat We claim is '1. An apparatus of the class described comprising' a driven member andi a driving member, a roller cage rotatably mounted on the driving` member, a casing carried by the driven member and surrounding saidvcage,

rollers carried by thercage and continuously contacting with the inner circumference of the casing and means for rotating said rollers from the driving member in the; same direction as that of the said member so as to rotate the cage and the driven member in the same direction as that of the driving member.

2. lThe combination with driving and driven shafts arranged in end to. end relation, a roller cage rotatably mounted on the driveshaft, a casing carried by the driven shaft and surrounding said cage, rollers carried by the cage andv continuously contacting With the inner' circumference'V of the casing, a roller keyed to the drive shaft Within the cage and rollers located between said lreyed roller and the first mentioned rol-ler.

3. In combination with the driving and driven shafts arranged in end to end relation, a roller cage rotatably mounted on the drive shaft, tapered rollers carried by said cage and inclinedly arranged, a frusto-conical easing carried by thedriven shaft and having .its inner circumference engaging said rollers, a tapered roller keyed to the drive shaft Within the cage and rollers located between the said keyed roller and the first mentioned rollers.

4. In combination with the driving and driven shafts arranged in end to end relation, a roller cage rotatably mounted on the drive shaft, tapered rollers carried by said cage and inclinedly arranged, a frusto-conr cal casing carried by the driven shaft and having its inner circumference engaging said rollers, a tapered roller keyed to the drive shaft within the cage and rollers located between the said keyed roller and the rst Vmentioned rollers and means for keeping the outer rollers in Contact Withthe casing.

5. In combination with driving and driven .shaftsarranged in end to end relation, a roller Gage rotatably mounted'on the drive shaft, tapered rollers carried by said cagef and inclinedly arranged, a frusto-conical casing carried by the driven shaft and surrounding the cage with its inner' circumference engaging the rollers, a roller keyed to the driveA shaft, rollers located between said keyed roller and the first mentioned rollers and clutch means for connecting the cage With the drive shaft. y

6. In combination with driving and driven shafts arranged in end to end relation, a roller cage rotatably mounted on the drive shaft, tapered rollers carried by said cage and inolinedly arranged, a frusto-conical easing carried by the driven shaft and surrounding the cagewvith its inner circumference engaging the rollers, a roller keyed to the drive shaft, rollers locatedbetween said keyed roller and the first mentioned rollers and means for preventing rearward rotation of the. cage.

In testimony whereof We aiiix our signatures.

ANDREW J. KARL. BENJAMIN E. WEBB. 

